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Finding the Fourth Proportional to 301,044.80, 415,461.04 and 198,891.06

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Solution

The fourth proportional to 301,044.80, 415,461.04 and 198,891.06 is: 274,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,044.80 : 415,461.04 = 198,891.06 : x
  2. Step 2: Convert to fraction form
    301,044.80/415,461.04 = 198,891.06/x
  3. Step 3: Cross multiply
    301,044.80x = 415,461.04 × 198,891.06
  4. Step 4: Simplify right side
    301,044.80x = 82,631,486,634.30
  5. Step 5: Solve for x
    x = 82,631,486,634.30/301,044.80
  6. Step 6: Final answer
    x = 274,482.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.